A study in the journal Ecotoxicology and Environmental Safety discovered microplastics have "underlying toxicity mechanisms." They could affect sperm production and development as well as human health ...

Humans are sexual, meaning that both a male and a female are needed to reproduce. Each is equipped with specific organs capable of producing specific cells needed to procreate. In conjunction with a ...

The male reproductive system refers to the bodily systems responsible for sexual function in males. It consists of external and internal structures responsible for the formation, storage, and ...

This paper presents the first description of the anatomy and histology of the male reproductive system for this doryline ant. Anatomical descriptions of the eighth and ninth sterna are included. The ...